2003 Polaris Deep Snow Snowmobiles Service Manual, Page 343Get this manual
ELECTRICAL 1Set the multitester in the ohms) position2Disconnect the switch harness from the main wire harness3Connect the two multitester leads to the two switch wires
TestOpen CircuitRun With the auxiliary shut-off switch in the ON position, the multitester should read an open circuit (OL)As the throttle lever is moved from idle to off idle, the tester should continue to read an open circuitIf the tester fluctuates and the throttle lever to throttle block clearance is adjusted properly, the switch assembly must be replaced
TestClosed CircuitKill The two speed control switches must make complete circuit to kill the engineTo check the switches, pull the throttle lever out away from the throttle blockWith the switch plungers outward and the auxiliary shut-off switch in the ON position, the multitester must read less than .4 ohms resistanceInspect wires and repair if damaged, or replace switch assemblyTestAuxiliary Shut-Off The multitester should read less than .4 ohms in the OFF position and an open circuit in the the ON positionInspect wires and repair if damaged, or replace switch assembly